@mixin flex($hov:space-between,$col:center){
  display: flex;
  justify-content: $hov;
  align-items: $col;
}
@mixin bgimg($w:0,$h:0,$img:'',$size:contain){
  display: inline-block;
  width: $w;
  height: $h;
  background: url($img) no-repeat center;
  background-size: contain;
}
@mixin position($pos:absolute,$top:0,$left:0,$w:100%,$h:100%){
  position: $pos;
  top: $top;
  left: $left;
  width: $w;
  height: $h;
}
@mixin positonBgImg($pos:absolute,$top:0,$right:0,$w:0,$h:0,$img:''){
  position: $pos;
  width: $w;
  height: $h;
  top: $top;
  right: $right;
  background: url($img) no-repeat center;
  background-size: contain;
}
@mixin height($h:0,$lh:$h) {
  height: $h;
  line-height: $lh;
}
@mixin wH($w:0,$h:0) {
  width:$w;
  height: $h;
}
@mixin border($bw:1px,$bc:$colorF,$bs:solid) {
  border: $bw $bs $bc;
}
